From b020606dadaea909d91a8e34287ef4cddb9d4623 Mon Sep 17 00:00:00 2001
From: lefengyang <lefengyang@tencent.com>
Date: Tue, 15 Sep 2026 13:24:54 +0800
Subject: [PATCH] 发送前清除
---
ledApp/pages/index/index.vue | 79 ++++++++++++++++++++++++++++++++++-----
1 files changed, 68 insertions(+), 11 deletions(-)
diff --git a/ledApp/pages/index/index.vue b/ledApp/pages/index/index.vue
index 1cab6ac..2bd63fe 100644
--- a/ledApp/pages/index/index.vue
+++ b/ledApp/pages/index/index.vue
@@ -191,7 +191,8 @@
dId: '' ,//已连接的设备id,
devKwh: '',
platform: '',
- screenOn: true
+ screenOn: true,
+ waitDallThenSend: false // 标记：收到DALL清除所有信息指令回应后，再开始发送INST帧
}
},
onLoad() {
@@ -377,7 +378,7 @@
console.log('--------------', item);
uni.showLoading({
- title: '发送中...',
+ title: '发送中0%',
mask: true
});
@@ -402,7 +403,9 @@
}
if (this.ledData.length > 0) {
- this.commandINST(this.ledData[this.ledCurrent]);
+ // 向智能壳发送INST帧前，先发送一次清除所有信息指令(DALL)，待智能壳回应后再开始发送
+ this.waitDallThenSend = true;
+ this.commandDALL();
} else {
uni.hideLoading();
uni.showToast({
@@ -587,7 +590,8 @@
},
//向低功耗蓝牙设备特征值中写入二进制数据
- writeBLECharacteristicValue(buffer) {
+ //keepLoading: 发送INST帧(含DALL前置指令、结束帧)过程中保持进度loading，发送成功后不关闭
+ writeBLECharacteristicValue(buffer, keepLoading = false) {
const that = this
uni.writeBLECharacteristicValue({
deviceId: this.deviceId,
@@ -597,7 +601,9 @@
writeType: 'write',
success: (res) => {
//console.log('写入指令发送成功----', res);
- uni.hideLoading();
+ if (!keepLoading) {
+ uni.hideLoading();
+ }
},
fail: (err) => {
//console.log('写入指令发送失败----', err);
@@ -706,6 +712,42 @@
this.writeBLECharacteristicValue(buffer)
}, 500);
},
+ // 清除所有信息指令(DALL)
+ commandDALL() {
+ // 1．手机发指令：启动字节+帧头+包头段(0x43+简易绑定号+屏大小)+DALL+CRC校验码+帧尾。
+ // 2．智能壳回指令：启动字节+帧头+包头段+DALL+返回标志+加密地址+CRC校验码+帧尾。
+ // 构建指令数据
+ const startBytes = new Array(10).fill(0x55); // 10个启动字节
+ const frameHeader = 0x7E; // 帧头
+ const packageType = 0x43; // 包类型
+ // 使用新的简易绑定号生成函数
+ const simpleBindId = this.generateSimpleBindId();
+
+ // 屏大小 (2 bytes)
+ const screenSize = [0x0C, 0x18];
+ const packageHeader = [packageType, ...simpleBindId, ...screenSize];
+ const command = [0x44, 0x41, 0x4C, 0x4C]; // "DALL"的ASCII码
+
+ // 组合数据
+ const data = [
+ ...startBytes,
+ frameHeader,
+ ...packageHeader,
+ ...command
+ ];
+ // 计算CRC校验码（从包头段开始计算）
+ const crc = this.calcCRC16(data.slice(11));
+ // 添加CRC和帧尾
+ data.push((crc >> 8) & 0xFF); // CRC高8位
+ data.push(crc & 0xFF); // CRC低8位
+ data.push(frameHeader); // 帧尾
+ console.log('DALL data----', this.hexArrayToHexString(data))
+
+ const buffer = new Uint8Array(data).buffer;
+ setTimeout(() => {
+ this.writeBLECharacteristicValue(buffer, true)
+ }, 50);
+ },
//添加信息指令(INST)
commandINST(hexString) {
// 1．手机发指令：启动+帧头+包头段(0x43+简易绑定号+屏大小)+INST+信息属性+文件名+总帧数+当前帧*+块描述+块数据+CRC校验码+帧尾
@@ -764,6 +806,12 @@
//console.log(this.ledCurrent, '----INST data----', this.hexArrayToHexString(data))
//const buffer = new Uint8Array(data).buffer;
console.log('第几帧-------',this.ledCurrent)
+ // 根据总帧数和已发送数量更新发送进度（当前帧发送前，已发送ledCurrent帧），范围10%~99%
+ const sendPercent = Math.max(10, Math.min(99, Math.round(this.ledCurrent / this.ledTotal * 100)));
+ uni.showLoading({
+ title: '发送中' + sendPercent + '%',
+ mask: true
+ });
setTimeout(() => {
//this.writeBLECharacteristicValue(buffer)
this.sendBLEDataInChunks(
@@ -821,7 +869,7 @@
const endbuffer = new Uint8Array(endData).buffer;
setTimeout(() => {
- this.writeBLECharacteristicValue(endbuffer)
+ this.writeBLECharacteristicValue(endbuffer, true)
}, 50);
},
async sendBLEDataInChunks(hexStr) {
@@ -986,15 +1034,24 @@
// });
that.commandINST(that.ledData[that.ledCurrent]);
} else if (that.ledCurrent == that.ledTotal) {
- // uni.showLoading({
- // title: '发送结束帧',
- // mask: true
- // });
+ // 所有数据帧已发送完成，发送结束帧，进度显示100%
+ uni.showLoading({
+ title: '发送中100%',
+ mask: true
+ });
that.commandEnd()
+ } else {
+ // 结束帧应答（ledCurrent == ledTotal + 1），全部发送完成，隐藏loading
+ uni.hideLoading();
}
} else if (resName == 'DALL') {
-
+ // 清除所有信息指令回应：返回标志0x30工作无异常，0x31工作有异常
+ if (that.waitDallThenSend) {
+ that.waitDallThenSend = false;
+ // 收到DALL回应后，开始发送第一帧INST
+ that.commandINST(that.ledData[that.ledCurrent]);
+ }
} else if (resName == 'POWR') {
// 查询电量
let capacityHex = result.slice(-8, -6); // "0a"
--
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